133155365 has 16 divisors (see below), whose sum is σ = 183630720. Its totient is φ = 90797760.

The previous prime is 133155329. The next prime is 133155377. The reversal of 133155365 is 563551331.

It is not a de Polignac number, because 133155365 - 2⁶ = 133155301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4175 + ... + 16844.

It is an arithmetic number, because the mean of its divisors is an integer number (11476920).

Almost surely, 2^133155365 is an apocalyptic number.

It is an amenable number.

133155365 is a deficient number, since it is larger than the sum of its proper divisors (50475355).

133155365 is a wasteful number, since it uses less digits than its factorization.

133155365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212.

The product of its digits is 20250, while the sum is 32.

The square root of 133155365 is about 11539.2965556831. The cubic root of 133155365 is about 510.6455557035.

The spelling of 133155365 in words is "one hundred thirty-three million, one hundred fifty-five thousand, three hundred sixty-five".